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Medium · 5.4 CVE-2026-116887 EUVD-2026-110715GHSA-4vg5-q837-f88q

Semantic MediaWiki 3.0.0 before 7.3.1 Stored XSS via Special:Browse Keyword Property

Published Oct 27, 2026 · Updated Nov 4, 2026 · Assigned by VulnCheck

Description

Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject HTML through Keyword-typed property values rendered unescaped on Special:Browse. Attackers can annotate a Keyword property with an event-handler payload that executes JavaScript in viewers' sessions, including administrators, to read tokens and perform actions.

Affected products

VendorProductAffectedFixed
SemanticMediaWiki SemanticMediaWiki 3.0.0 – < 7.3.1 7.3.1

References